Wednesday, 10 May 2006, 19:02 GMT 20:02 UK
Tiny tags trace dragonfly paths
A transmitter is attached to a dragonfly's thorax (© C.Ziegler)
The epic journeys taken by dragonflies searching for warmer climates have been revealed by scientists in the US.
The team, led by researchers from Princeton University, found that the insects are capable of flying up to 85 miles (137 km) in a day.
Writing in the journal Biology Letters, the group describes how it tracked the movements by attaching tiny radio transmitters to the insects